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<h2><span class="refentrytitle">Struct template basic_process</span></h2>
<p>boost::process::v2::basic_process — A class managing a subprocess. </p>
</div>
<h2 class="refsynopsisdiv-title">Synopsis</h2>
<div class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../boost_process/v2.html#header.boost.process.v2.process_hpp" title="Header &lt;boost/process/v2/process.hpp&gt;">boost/process/v2/process.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Executor <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">any_io_executor</span><span class="special">&gt;</span> 
<span class="keyword">struct</span> <a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">{</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="identifier">Executor</span>                                 <a name="boost.process.v2.basic_process.executor_type"></a><span class="identifier">executor_type</span><span class="special">;</span>       <span class="comment">// The executor of the process. </span>
  <span class="keyword">typedef</span> <a class="link" href="basic_process_handle.html" title="Struct template basic_process_handle">basic_process_handle</a><span class="special">&lt;</span> <span class="identifier">executor_type</span> <span class="special">&gt;</span>    <a name="boost.process.v2.basic_process.handle_type"></a><span class="identifier">handle_type</span><span class="special">;</span>         <span class="comment">// The non-closing handle type. </span>
  <span class="keyword">typedef</span> <span class="keyword">typename</span> <span class="identifier">handle_type</span><span class="special">::</span><span class="identifier">native_handle_type</span> <a name="boost.process.v2.basic_process.native_handle_type"></a><span class="identifier">native_handle_type</span><span class="special">;</span>  <span class="comment">// Provides access to underlying operating system facilities. </span>

  <span class="comment">// member classes/structs/unions</span>

  <span class="keyword">struct</span> <a class="link" href="basic_process/async_wait_op_.html" title="Struct async_wait_op_">async_wait_op_</a> <span class="special">{</span>

    <span class="comment">// <a class="link" href="basic_process/async_wait_op_.html#idm8958-bb">public member functions</a></span>
    <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Self<span class="special">&gt;</span> <span class="keyword">void</span> <a class="link" href="../../container/flat_map.html#idm8959-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Self</span> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
    <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Self<span class="special">&gt;</span> 
      <span class="keyword">void</span> <a class="link" href="basic_process/async_wait_op_.html#idm8965-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Self</span> <span class="special">&amp;&amp;</span><span class="special">,</span> <span class="identifier">error_code</span><span class="special">,</span> <span class="identifier">native_exit_code_type</span><span class="special">)</span><span class="special">;</span>

    <span class="comment">// public data members</span>
    <a class="link" href="basic_process_handle.html" title="Struct template basic_process_handle">basic_process_handle</a><span class="special">&lt;</span> <span class="identifier">Executor</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <span class="identifier">handle</span><span class="special">;</span>
    <span class="identifier">native_exit_code_type</span> <span class="special">&amp;</span> <span class="identifier">res</span><span class="special">;</span>
  <span class="special">}</span><span class="special">;</span>

  <span class="comment">// Rebinds the process_handle to another executor.</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Executor1<span class="special">&gt;</span> 
  <span class="keyword">struct</span> <a class="link" href="basic_process/rebind_executor.html" title="Struct template rebind_executor">rebind_executor</a> <span class="special">{</span>
    <span class="comment">// types</span>
    <span class="keyword">typedef</span> <a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a><span class="special">&lt;</span> <span class="identifier">Executor1</span> <span class="special">&gt;</span> <a class="link" href="basic_process/rebind_executor.html#boost.process.v2.basic_process.rebind_executor.other"><span class="identifier">other</span></a><span class="special">;</span>  <span class="comment">// The socket type when rebound to the specified executor. </span>
  <span class="special">}</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="basic_process.html#boost.process.v2.basic_processconstruct-copy-destruct">construct/copy/destruct</a></span>
  <a class="link" href="basic_process.html#idm9095-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>
  <a class="link" href="basic_process.html#idm9098-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span>
  <a class="link" href="basic_process.html#idm9108-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">&amp;&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Executor1<span class="special">&gt;</span> <a class="link" href="basic_process.html#idm9122-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a><span class="special">&lt;</span> <span class="identifier">Executor1</span> <span class="special">&gt;</span> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="special">...</span> Inits<span class="special">&gt;</span> 
    <span class="keyword">explicit</span> <a class="link" href="basic_process.html#idm9129-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><span class="identifier">executor_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">filesystem</span><span class="special">::</span><span class="identifier">path</span> <span class="special">&amp;</span><span class="special">,</span> 
                           <span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special">&lt;</span> <span class="identifier">string_view</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">Inits</span> <span class="special">&amp;&amp;</span><span class="special">...</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Args<span class="special">,</span> <span class="keyword">typename</span> <span class="special">...</span> Inits<span class="special">&gt;</span> 
    <span class="keyword">explicit</span> <a class="link" href="basic_process.html#idm9142-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><span class="identifier">executor_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">filesystem</span><span class="special">::</span><span class="identifier">path</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">Args</span> <span class="special">&amp;&amp;</span><span class="special">,</span> 
                           <span class="identifier">Inits</span> <span class="special">&amp;&amp;</span><span class="special">...</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ExecutionContext<span class="special">,</span> <span class="keyword">typename</span> <span class="special">...</span> Inits<span class="special">&gt;</span> 
    <span class="keyword">explicit</span> <a class="link" href="basic_process.html#idm9156-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> 
                           <span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special">&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">is_convertible</span><span class="special">&lt;</span> <span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">execution_context</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">filesystem</span><span class="special">::</span><span class="identifier">path</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span><span class="special">,</span> 
                           <span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special">&lt;</span> <span class="identifier">string_view</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">Inits</span> <span class="special">&amp;&amp;</span><span class="special">...</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ExecutionContext<span class="special">,</span> <span class="keyword">typename</span> Args<span class="special">,</span> <span class="keyword">typename</span> <span class="special">...</span> Inits<span class="special">&gt;</span> 
    <span class="keyword">explicit</span> <a class="link" href="basic_process.html#idm9170-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> 
                           <span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special">&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">is_convertible</span><span class="special">&lt;</span> <span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">execution_context</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">filesystem</span><span class="special">::</span><span class="identifier">path</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span><span class="special">,</span> 
                           <span class="identifier">Args</span> <span class="special">&amp;&amp;</span><span class="special">,</span> <span class="identifier">Inits</span> <span class="special">&amp;&amp;</span><span class="special">...</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">explicit</span> <a class="link" href="basic_process.html#idm9185-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><span class="identifier">executor_type</span><span class="special">,</span> <span class="identifier">pid_type</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">explicit</span> <a class="link" href="basic_process.html#idm9191-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><span class="identifier">executor_type</span><span class="special">,</span> <span class="identifier">pid_type</span><span class="special">,</span> <span class="identifier">native_handle_type</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">explicit</span> <a class="link" href="basic_process.html#idm9199-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><span class="identifier">executor_type</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ExecutionContext<span class="special">&gt;</span> 
    <span class="keyword">explicit</span> <a class="link" href="basic_process.html#idm9203-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">pid_type</span><span class="special">,</span> 
                           <span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special">&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">is_convertible</span><span class="special">&lt;</span> <span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">execution_context</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">void</span> <span class="special">*</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <span class="special">=</span> <span class="keyword">nullptr</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ExecutionContext<span class="special">&gt;</span> 
    <span class="keyword">explicit</span> <a class="link" href="basic_process.html#idm9214-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">pid_type</span><span class="special">,</span> <span class="identifier">native_handle_type</span><span class="special">,</span> 
                           <span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special">&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">is_convertible</span><span class="special">&lt;</span> <span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">execution_context</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">void</span> <span class="special">*</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <span class="special">=</span> <span class="keyword">nullptr</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ExecutionContext<span class="special">&gt;</span> 
    <span class="keyword">explicit</span> <a class="link" href="basic_process.html#idm9227-bb"><span class="identifier">basic_process</span></a><span class="special">(</span><span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> 
                           <span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special">&lt;</span> <span class="identifier">is_convertible</span><span class="special">&lt;</span> <span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">execution_context</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">void</span> <span class="special">*</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <span class="special">=</span> <span class="keyword">nullptr</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">&amp;</span> <a class="link" href="basic_process.html#idm9102-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span>
  <a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">&amp;</span> <a class="link" href="basic_process.html#idm9114-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">&amp;&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>
  <a class="link" href="basic_process.html#idm9236-bb"><span class="special">~</span><span class="identifier">basic_process</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="basic_process.html#idm8993-bb">public member functions</a></span>
  <span class="identifier">executor_type</span> <a class="link" href="basic_process.html#idm8994-bb"><span class="identifier">get_executor</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="identifier">handle_type</span> <span class="special">&amp;</span> <a class="link" href="basic_process.html#idm8997-bb"><span class="identifier">handle</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">handle_type</span> <span class="special">&amp;</span> <a class="link" href="basic_process.html#idm9000-bb"><span class="identifier">handle</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="../../container/flat_map.html#idm9003-bb"><span class="identifier">interrupt</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="basic_process.html#idm9009-bb"><span class="identifier">interrupt</span></a><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="basic_process.html#idm9013-bb"><span class="identifier">request_exit</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="../../container/flat_map.html#idm9015-bb"><span class="identifier">request_exit</span></a><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="basic_process.html#idm9022-bb"><span class="identifier">suspend</span></a><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="basic_process.html#idm9027-bb"><span class="identifier">suspend</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="basic_process.html#idm9030-bb"><span class="identifier">resume</span></a><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="basic_process.html#idm9035-bb"><span class="identifier">resume</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="basic_process.html#idm9038-bb"><span class="identifier">terminate</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="basic_process.html#idm9040-bb"><span class="identifier">terminate</span></a><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">int</span> <a class="link" href="basic_process.html#idm9045-bb"><span class="identifier">wait</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">int</span> <a class="link" href="basic_process.html#idm9047-bb"><span class="identifier">wait</span></a><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="identifier">handle_type</span> <a class="link" href="basic_process.html#idm9054-bb"><span class="identifier">detach</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="identifier">native_handle_type</span> <a class="link" href="basic_process.html#idm9057-bb"><span class="identifier">native_handle</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">int</span> <a class="link" href="basic_process.html#idm9060-bb"><span class="identifier">exit_code</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">pid_type</span> <a class="link" href="basic_process.html#idm9063-bb"><span class="identifier">id</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">native_exit_code_type</span> <a class="link" href="basic_process.html#idm9066-bb"><span class="identifier">native_exit_code</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">bool</span> <a class="link" href="basic_process.html#idm9071-bb"><span class="identifier">running</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">bool</span> <a class="link" href="../../container/flat_map.html#idm9076-bb"><span class="identifier">running</span></a><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span>
  <span class="keyword">bool</span> <a class="link" href="basic_process.html#idm9082-bb"><span class="identifier">is_open</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="identifier">Token</span> <span class="identifier">WaitHandler</span> DEFAULT_TYPE<span class="special">&gt;</span> 
    <span class="identifier">deduced</span> <a class="link" href="../../container/flat_map.html#idm9087-bb"><span class="identifier">async_wait</span></a><span class="special">(</span><span class="identifier">WaitHandler</span> <span class="special">&amp;&amp;</span><span class="identifier">handler</span> <span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id-1.3.29.12.8.11.3.4"></a><h2>Description</h2>
<div class="refsect2">
<a name="id-1.3.29.12.8.11.3.4.2"></a><h3>
<a name="boost.process.v2.basic_processconstruct-copy-destruct"></a><code class="computeroutput">basic_process</code> 
        public
       construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><a name="idm9095-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span></pre>
<p>An empty process is similar to a default constructed thread. It holds an empty handle and is a place holder for a process that is to be launched later. </p>
</li>
<li class="listitem"><pre class="literallayout"><a name="idm9098-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span></pre></li>
<li class="listitem">
<pre class="literallayout"><a name="idm9108-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">&amp;&amp;</span> lhs<span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span></pre>Move construct the process. It will be detached from <code class="computeroutput">lhs</code>. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Executor1<span class="special">&gt;</span> <a name="idm9122-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a><span class="special">&lt;</span> <span class="identifier">Executor1</span> <span class="special">&gt;</span> <span class="special">&amp;&amp;</span> lhs<span class="special">)</span><span class="special">;</span></pre>Move construct and rebind the executor. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="special">...</span> Inits<span class="special">&gt;</span> 
  <span class="keyword">explicit</span> <a name="idm9129-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><span class="identifier">executor_type</span> executor<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">filesystem</span><span class="special">::</span><span class="identifier">path</span> <span class="special">&amp;</span> exe<span class="special">,</span> 
                         <span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special">&lt;</span> <span class="identifier">string_view</span> <span class="special">&gt;</span> args<span class="special">,</span> 
                         <span class="identifier">Inits</span> <span class="special">&amp;&amp;</span><span class="special">...</span> inits<span class="special">)</span><span class="special">;</span></pre>Construct a child from a property list and launch it using the default launcher.. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Args<span class="special">,</span> <span class="keyword">typename</span> <span class="special">...</span> Inits<span class="special">&gt;</span> 
  <span class="keyword">explicit</span> <a name="idm9142-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><span class="identifier">executor_type</span> executor<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">filesystem</span><span class="special">::</span><span class="identifier">path</span> <span class="special">&amp;</span> exe<span class="special">,</span> 
                         <span class="identifier">Args</span> <span class="special">&amp;&amp;</span> args<span class="special">,</span> <span class="identifier">Inits</span> <span class="special">&amp;&amp;</span><span class="special">...</span> inits<span class="special">)</span><span class="special">;</span></pre>Construct a child from a property list and launch it using the default launcher.. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ExecutionContext<span class="special">,</span> <span class="keyword">typename</span> <span class="special">...</span> Inits<span class="special">&gt;</span> 
  <span class="keyword">explicit</span> <a name="idm9156-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><span class="identifier">ExecutionContext</span> <span class="special">&amp;</span> context<span class="special">,</span> 
                         <span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special">&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">is_convertible</span><span class="special">&lt;</span> <span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">execution_context</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">filesystem</span><span class="special">::</span><span class="identifier">path</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> exe<span class="special">,</span> 
                         <span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special">&lt;</span> <span class="identifier">string_view</span> <span class="special">&gt;</span> args<span class="special">,</span> 
                         <span class="identifier">Inits</span> <span class="special">&amp;&amp;</span><span class="special">...</span> inits<span class="special">)</span><span class="special">;</span></pre>Construct a child from a property list and launch it using the default launcher.. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ExecutionContext<span class="special">,</span> <span class="keyword">typename</span> Args<span class="special">,</span> <span class="keyword">typename</span> <span class="special">...</span> Inits<span class="special">&gt;</span> 
  <span class="keyword">explicit</span> <a name="idm9170-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><span class="identifier">ExecutionContext</span> <span class="special">&amp;</span> context<span class="special">,</span> 
                         <span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special">&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">is_convertible</span><span class="special">&lt;</span> <span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">execution_context</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">filesystem</span><span class="special">::</span><span class="identifier">path</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> exe<span class="special">,</span> 
                         <span class="identifier">Args</span> <span class="special">&amp;&amp;</span> args<span class="special">,</span> <span class="identifier">Inits</span> <span class="special">&amp;&amp;</span><span class="special">...</span> inits<span class="special">)</span><span class="special">;</span></pre>Construct a child from a property list and launch it using the default launcher. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">explicit</span> <a name="idm9185-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><span class="identifier">executor_type</span> exec<span class="special">,</span> <span class="identifier">pid_type</span> pid<span class="special">)</span><span class="special">;</span></pre>Attach to an existing process. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">explicit</span> <a name="idm9191-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><span class="identifier">executor_type</span> exec<span class="special">,</span> <span class="identifier">pid_type</span> pid<span class="special">,</span> 
                       <span class="identifier">native_handle_type</span> native_handle<span class="special">)</span><span class="special">;</span></pre>Attach to an existing process and the internal handle. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">explicit</span> <a name="idm9199-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><span class="identifier">executor_type</span> exec<span class="special">)</span><span class="special">;</span></pre>Create an invalid handle. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ExecutionContext<span class="special">&gt;</span> 
  <span class="keyword">explicit</span> <a name="idm9203-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><span class="identifier">ExecutionContext</span> <span class="special">&amp;</span> context<span class="special">,</span> <span class="identifier">pid_type</span> pid<span class="special">,</span> 
                         <span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special">&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">is_convertible</span><span class="special">&lt;</span> <span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">execution_context</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">void</span> <span class="special">*</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <span class="special">=</span> <span class="keyword">nullptr</span><span class="special">)</span><span class="special">;</span></pre>Attach to an existing process. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ExecutionContext<span class="special">&gt;</span> 
  <span class="keyword">explicit</span> <a name="idm9214-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><span class="identifier">ExecutionContext</span> <span class="special">&amp;</span> context<span class="special">,</span> <span class="identifier">pid_type</span> pid<span class="special">,</span> 
                         <span class="identifier">native_handle_type</span> native_handle<span class="special">,</span> 
                         <span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special">&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">is_convertible</span><span class="special">&lt;</span> <span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">execution_context</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">void</span> <span class="special">*</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <span class="special">=</span> <span class="keyword">nullptr</span><span class="special">)</span><span class="special">;</span></pre>Attach to an existing process and the internal handle. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ExecutionContext<span class="special">&gt;</span> 
  <span class="keyword">explicit</span> <a name="idm9227-bb"></a><span class="identifier">basic_process</span><span class="special">(</span><span class="identifier">ExecutionContext</span> <span class="special">&amp;</span> context<span class="special">,</span> 
                         <span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special">&lt;</span> <span class="identifier">is_convertible</span><span class="special">&lt;</span> <span class="identifier">ExecutionContext</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">execution_context</span> <span class="special">&amp;</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">void</span> <span class="special">*</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <span class="special">=</span> <span class="keyword">nullptr</span><span class="special">)</span><span class="special">;</span></pre>Create an invalid handle. </li>
<li class="listitem"><pre class="literallayout"><a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">&amp;</span> <a name="idm9102-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span></pre></li>
<li class="listitem">
<pre class="literallayout"><a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">&amp;</span> <a name="idm9114-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><a class="link" href="basic_process.html" title="Struct template basic_process">basic_process</a> <span class="special">&amp;&amp;</span> lhs<span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span></pre>Move assign a process. It will be detached from <code class="computeroutput">lhs</code>. </li>
<li class="listitem">
<pre class="literallayout"><a name="idm9236-bb"></a><span class="special">~</span><span class="identifier">basic_process</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Destruct the handle and terminate the process if it wasn't detached. </li>
</ol></div>
</div>
<div class="refsect2">
<a name="id-1.3.29.12.8.11.3.4.3"></a><h3>
<a name="idm8993-bb"></a><code class="computeroutput">basic_process</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><span class="identifier">executor_type</span> <a name="idm8994-bb"></a><span class="identifier">get_executor</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Get the executor of the process. </li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">handle_type</span> <span class="special">&amp;</span> <a name="idm8997-bb"></a><span class="identifier">handle</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Get the underlying non-closing handle. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">const</span> <span class="identifier">handle_type</span> <span class="special">&amp;</span> <a name="idm9000-bb"></a><span class="identifier">handle</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Get the underlying non-closing handle. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idm9003-bb"></a><span class="identifier">interrupt</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Sends the process a signal to ask for an interrupt, which the process may interpret as a shutdown. <p>Maybe be ignored by the subprocess.</p>
<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
</li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm9009-bb"></a><span class="identifier">interrupt</span><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span> ec<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm9013-bb"></a><span class="identifier">request_exit</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idm9015-bb"></a><span class="identifier">request_exit</span><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span> ec<span class="special">)</span><span class="special">;</span></pre>Sends the process a signal to ask for a graceful shutdown. Maybe be ignored by the subprocess. <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idm9022-bb"></a><span class="identifier">suspend</span><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span> ec<span class="special">)</span><span class="special">;</span></pre>Send the process a signal requesting it to stop. This may rely on undocumented functions. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idm9027-bb"></a><span class="identifier">suspend</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Send the process a signal requesting it to stop. This may rely on undocumented functions. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idm9030-bb"></a><span class="identifier">resume</span><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span> ec<span class="special">)</span><span class="special">;</span></pre>Send the process a signal requesting it to resume. This may rely on undocumented functions. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idm9035-bb"></a><span class="identifier">resume</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Send the process a signal requesting it to resume. This may rely on undocumented functions. </li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm9038-bb"></a><span class="identifier">terminate</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idm9040-bb"></a><span class="identifier">terminate</span><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span> ec<span class="special">)</span><span class="special">;</span></pre>Unconditionally terminates the process and stores the exit code in exit_status. </li>
<li class="listitem"><pre class="literallayout"><span class="keyword">int</span> <a name="idm9045-bb"></a><span class="identifier">wait</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">int</span> <a name="idm9047-bb"></a><span class="identifier">wait</span><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span> ec<span class="special">)</span><span class="special">;</span></pre>Waits for the process to exit, store the exit code internally and return it. <p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">handle_type</span> <a name="idm9054-bb"></a><span class="identifier">detach</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Detach the process. </li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">native_handle_type</span> <a name="idm9057-bb"></a><span class="identifier">native_handle</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Get the native. </li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">int</span> <a name="idm9060-bb"></a><span class="identifier">exit_code</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Return the evaluated exit_code. </li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">pid_type</span> <a name="idm9063-bb"></a><span class="identifier">id</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Get the id of the process;. </li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">native_exit_code_type</span> <a name="idm9066-bb"></a><span class="identifier">native_exit_code</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>The native handle of the process. <p>This might be undefined on posix systems that only support signals </p>
</li>
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<pre class="literallayout"><span class="keyword">bool</span> <a name="idm9071-bb"></a><span class="identifier">running</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>Checks if the current process is running. <p>If it has already completed the exit code will be stored internally and can be obtained by calling `exit_code. </p>
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<pre class="literallayout"><span class="keyword">bool</span> <a name="idm9076-bb"></a><span class="identifier">running</span><span class="special">(</span><span class="identifier">error_code</span> <span class="special">&amp;</span> ec<span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span></pre>
<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
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<pre class="literallayout"><span class="keyword">bool</span> <a name="idm9082-bb"></a><span class="identifier">is_open</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Check if the process is referring to an existing process. <p>Note that this might be a process that already exited. </p>
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<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="identifier">Token</span> <span class="identifier">WaitHandler</span> DEFAULT_TYPE<span class="special">&gt;</span> 
  <span class="identifier">deduced</span> <a name="idm9087-bb"></a><span class="identifier">async_wait</span><span class="special">(</span><span class="identifier">WaitHandler</span> <span class="special">&amp;&amp;</span><span class="identifier">handler</span>  DEFAULT<span class="special">)</span><span class="special">;</span></pre>Asynchronously wait for the process to exit and deliver the native exit-code in the completion handler. </li>
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